{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Z - DNA can be induced in long genomic DNA by Z - DNA binding proteins through the formation of two B - Z junctions with the extrusion of one base pair from each junction ."}
{"Chemical": []}